Malicious PDF — malware analysis report

Static analysis result for SHA-256 8432fed998821015…

MALICIOUS

PDF

40.5 KB Created: 2020-08-11 14:49:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 4e41b05eca40782d2406322a19cecbed SHA-1: ac11b86ad604497cfe8a9abc3aa54869a27701de SHA-256: 8432fed9988210158fbaea43e34e90ce42eacd2b6d66addb041ce1207a46ec77
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file contains numerous links to external resources, many of which are hosted on Shopify and appear to be part of an SEO link farm designed to distribute malicious content. The primary redirector URL, https://ttraff.com/pify?keyword=biblia+reina+valera+pdf+gratis+espa%25C3%25B1ol, suggests a lure for free PDF downloads, likely leading to malware or phishing content. The ML classifier strongly indicates maliciousness.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://ttraff.com/pify?keyword=biblia+reina+valera+pdf+gratis+espa%25C3%25B1ol In PDF document text
    • http://files.michaelabandostudio.com/uploads/1/3/1/8/131857565/e5b7c4.pdfIn PDF document text
    • http://vizave.bobericphotography.com/uploads/1/3/0/8/130874493/kugowewawetefu.pdfIn PDF document text
    • http://xubewi.nyabuoy.com/uploads/1/3/1/6/131606349/zibifofi_sejodosix_bariza.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9482/7418/files/44348056107.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9476/1877/files/7982254309.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8102/3132/files/36727074322.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2314/6909/files/xalipixubugirumu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/8601/8712/files/43963239689.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/5529/9237/files/48403504194.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1883/0492/files/manual_fuel_tank_selector_valve.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7921/2962/files/jubegetufarasav.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/5484/0485/files/l_argumentation_commerciale.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2224/5273/files/riwisefozesozun.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xawifakupubegezixezo.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005228.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5228 5668 bytes
SHA-256: 40a4bae3361ed5e43c0f85c281287d611620223058524076e472c1b8354a58e9
font_01_sfnt_off00006531.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6531 1936 bytes
SHA-256: d2cd98eda3bb301c349f83497b116709750aa4c373c9bd198ee53ee8aab646d3
font_02_sfnt_off00006e73.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6E73 11112 bytes
SHA-256: c33bb679fe6f3fadc59f9e48ead28acc0caedf261a12a291c5a4f7eef143a28e

Open this report in the interactive analyzer, or submit your own file for analysis.